(n): that which has mass and occupies space
(n): something determined in relation to something that includes it
(n): the choicest or most essential or most vital part of some idea or experience
(n): the sum or range of what has been perceived, discovered, or learned
(n): the idea that is intended
(n): the content of cognition; the main thing you are thinking about
(n): material of a particular kind or constitution
(n): an entity that has physical existence
(n): considerable capital (wealth or income)
(n): wealth in the form of money or property owned by a person or business and human resources of economic value
(n): what a communication that is about something is about
(n): something that is communicated by or to or between people or groups
(n): a particular kind or species of matter with uniform properties
(n): that which has mass and occupies space
Substantiality is inversely proportional to ponderability (S = 1/P). See "Physics and Yoga" comment under yoga.